If the federal government shuts down starting Tuesday because of a bitter partisan battle over the new health care law, more people say congressional Republicans rather than President Barack Obama would be responsible, according to a new national survey.

A CNN/ORC International poll released Monday morning, hours before funding for the government is scheduled to run out, also indicates that most Americans think Republicans in Congress are acting like spoiled children in this fiscal fight, with the public divided on whether the president is acting like a spoiled child or a responsible adult.

And six in 10 questioned in the survey say they want Congress to approve a budget agreement to avoid a government shutdown, and if it happens, most people say a shutdown would be a bad thing for the country.

The poll's release comes one day after the GOP-dominated House of Representatives approved a spending plan to fund the government that would delay the Affordable Care Act, better known as Obamacare, for a year, and repeal its tax on medical devices.

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House vote makes shutdown likely

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Memorable moments from House debate

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Memorable moments from House debate 01:13

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Photos: Key players in the shutdown debate 18 photos

Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – The game is the same, but many of the players have changed. Congress and the president are facing off in another supreme spending showdown. This last happened in 2011, when Congress avoided a shutdown by passing a spending measure shortly after the midnight deadline hit. Who controls what happens this time? Take a look at the key players who will determine how this fight ends.

Key players in the shutdown debate – Rep. Mark Meadows, R-North Carolina --The architect. During Congress' August recess, the tea party-backed freshman wrote to Republican leaders suggesting that they tie dismantling Obamacare to the funding bill. Though initially rejected by GOP leadership, 79 of Meadows' House colleagues signed on to the letter, which quoted James Madison writing in the Federalist Papers, "the power over the purse may, in fact, be regarded as the most complete and effectual weapon ... for obtaining a redress of every grievance."

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Speaker John Boehner, R-Ohio -- The coach. He'll make the key play call. The top Republican leader in the land may be the most important player in the days immediately before a possible shutdown. Boehner could decide whether to push through the Senate's version of a spending bill and keep government running, or he could float a third version with some other Republican wish list items in it. If he takes the second option, Boehner could risk a shutdown but could also force the Senate into a tough position: give House Republicans something or send federal workers home. Timing on all this will be critical.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Sen. Ted Cruz, R-Texas -- The revolutionary or rabble rouser, depending on your viewpoint. The tea party firebrand could lead a long filibuster on the Senate floor, delaying passage of a spending bill until just one day before the deadline on Monday, September 30. Cruz has stoked the anti-Obamacare flames all summer, but recently angered fellow Republicans by openly saying that the Senate does not have the votes to repeal the health care law.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Sen. Marco Rubio, R-Florida -- Senator to watch. The potential presidential candidate has been one of three senators (Cruz and Mike Lee, R-Utah, being the others) pushing to use the government shutdown debate as a way to repeal or defund Obamacare. But watch his actions and language as a shutdown nears to see if he digs in or if downshifts at all.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Sen. Harry Reid, D-Nevada -- The man steering the ship in the Senate. Master at using Senate procedure to his advantage, Reid is the main force in controlling the voting process in the chamber and ensuring that an attempted filibuster by tea party-types fails. The majority leader will be a primary negotiator if we reach phase three, if the House does not accept the Senate spending bill.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Sen. Mitch McConnell, R-Kentucky -- If Reid steers the ship, McConnell controls the headwinds. Which is good news for Reid, at least initially. The Republican leader and several of his members say they will vote against Cruz's filibuster and in favor of a spending bill with no limits on Obamacare. Meaning, in favor of a bill that just funds government. McConnell generally has been leery of running into a shutdown or default. In fact, one legislative method for avoiding default is named after him.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Sen. Patty Murray, D-Washington -- The consigliore. Murray, center, does not seek the outside limelight, but the Senate Budget Committee chairwoman is a major fiscal force behind the scenes on Capitol Hill. Known by fellow Democrats as a straight shooter, she is also an experienced negotiator, having co-chaired the laborious, somewhat torturous and unsuccessful Super Committee.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Rep. Tom Graves, R-Georgia -- The new militia leader. The freshman congressman from Georgia, second from right, is one reason the debate has reached this point. Graves led the charge that blocked the original proposal by House Republican leaders. That would have kept government funded and had a detachable portion on Obamacare. Instead Graves and other conservatives forced their leaders to pass a spending bill with a mandatory defunding of Obamacare.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Rep. Peter King, R-New York -- The blunt statesman. King is outspoken against many tea party tactics, calling the move to tie Obamacare to the must-pass spending bill essentially a suicide mission and Cruz "a fraud." He is pushing for Republicans to accept a more "clean" spending bill that can pass the Senate and avoid a shutdown.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Thomas Donohue, president and CEO of the U.S. Chamber of Commerce -- The heavy. Donohue is known for his deep connections and his aggressive lobbying on behalf of business. He and the Chamber are urging Republican lawmakers to avoid a shutdown. The Chamber is an important political backer for conservatives, but has had mixed success with the current Congress, locking in firm anti-tax positions but unable to push through immigration reform so far.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Michael Needham, president of Heritage Action -- The driving force. Needham runs the political offshoot of the conservative Heritage Foundation and has been unrelenting in urging lawmakers to repeal Obamacare. He has told Republicans not to fear a potential shutdown, saying they would suffer more politically from allowing Obamacare to continue.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – President Barack Obama -- The campaigner and CEO. Expect the president to use his podium more as a shutdown nears, aiming at public opinion as Democrats in Congress position themselves. If House Republicans send back a new proposal close to the September 30 deadline, the president and Democrats will have to decide what move to make next.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Rep. Eric Cantor, R-Virginia -- The powerful lieutenant. Cantor, the House Republican No. 2, is much more closely allied with conservatives and tea party members in the House than is Speaker Boehner. The two have not always agreed on every strategy during potential shutdown debates, but have been in public lockstep during the current go-around.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Rep. Nancy Pelosi, D-California, and Steny Hoyer, D-Maryland -- Players on deck. The top two House Democrats are mostly watching and waiting. But they will play a critical role once Boehner decides his next move. They could either bring Democratic votes on board a deal or be the loudest voices against a new Republican alternative. Hoyer will be interesting to watch; he has strongly opposed both the House and Senate plans as cutting too much in spending.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Rep. Kevin McCarthy, R-California -- The numbers guy. McCarthy, the House whip, has the tricky job of assessing exactly where Republican members stand and getting the 217 votes it takes to pass a bill in the chamber. He is known for his outreach to and connection with many of the freshmen House members who align with the tea party.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Rep. Paul Ryan, R-Wisconsin -- Member to watch. The vote of the House budget chairman and former vice presidential nominee is an important signal both within Republican ranks and to the public at large. Ryan has voted against some funding measures in the past, including the emergency aid for Superstorm Sandy recovery. But he was a "yes" on the last extension of the debt ceiling.

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Photos: Key players in the shutdown debate18 photos

Key players in the shutdown debate – Rep. Ileana Ros-Lehtinen, R-Florida -- Another member to watch. A former committee chairwoman (Republican rules have term limits for committee chairs), Ros-Lehtinen knows House politics and procedure inside out. Depending on the issue, she has been described as a conservative or moderate, and occasionally as a libertarian.

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EXPAND GALLERY

Photos: The last government shutdown 18 photos

Photos: The last government shutdown18 photos

The last government shutdown – A Park Service police officer stands guard in front of the Lincoln Memorial during a partial shutdown of the federal government in November 1995. Many government services and agencies were closed at the end of 1995 and beginning of 1996 as President Bill Clinton battled a Republican-led Congress over spending levels.

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Photos: The last government shutdown18 photos

The last government shutdown – An employee hangs a sign on the door of the Smithsonian's National Air and Space Museum in Washington on November 14, 1995, marking the start of the government shutdown.

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The last government shutdown – A tourist peers out a ferry window at the Statue of Liberty on November 14, 1995, as a small group of visitors wait on the dock to board the vessel. No passengers were allowed off the boat as both the Statue of Liberty and Ellis Island were closed after federal workers were sent home.

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Photos: The last government shutdown18 photos

The last government shutdown – Sen. Pete Domenici, R-New Mexico, chairman of the Senate Budget Committee holds up a chart showing the differences between Republican and Democratic budgets as Speaker of the House Newt Gingrich, left, and Senate Majority Leader Bob Dole stand by during a press conference on Capitol Hill.

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Photos: The last government shutdown18 photos

The last government shutdown – A police officer walks through the empty Statuary Hall in the Capitol on November 15, 1995.

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The last government shutdown – The national debt clock in New York is stopped during the government shutdown in November.

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The last government shutdown – President Clinton speaks about the federal budget impasse from the Oval Office on November 16, 1995. The first part of the budget shutdown ended on November 19 when a temporary spending bill was enacted. But Congress failed to come to an agreement on the federal budget, leading to a second shutdown starting December 16.

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The last government shutdown – UPS workers deliver letters to members of Congress on November 28, 1995. The letters were written and sent by members of the Coalition For Change, a nonpartisan organization devoted to balancing the budget.

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The last government shutdown – A speaks to demonstrators at the Capitol Rotunda on December 7, 1995. Evangelical leaders from around the country held a prayer session to call on legislators to treat the poor justly during welfare reform and budget negotiations.

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The last government shutdown – House Appropriations Committee Chairman Rep. Bob Livingston, right, holds a "closed" sign outside the National Gallery of Art in Washington on December 18, 1995.

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The last government shutdown – A security guard informs people that the passport office is closed at the Federal Building in Los Angeles on December 18, 1995.

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The last government shutdown – Rep. John Boehner dumps out coal, which he called a Christmas gift to President Clinton, during a news conference about the federal budget on December 21, 1995.

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The last government shutdown – Karen Bishop chains herself to colleagues during a rally at the Federal Building in San Francisco on January 3, 1996. The workers claimed they were in servitude to the government as hundreds of thousands of federal employees were either furloughed or had to work without pay.

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The last government shutdown – Food service employees at the Veterans Hospital in Miami line up to receive food rations on January 3, 1996. Many federal employees faced financial hardships during the shutdown.

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The last government shutdown – Tourists line up outside the National Gallery of Art in Washington on January 5, 1996. It was one of the few government buildings open during the shutdown thanks to the assistance of private funds.

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The last government shutdown – People trying to apply for visas at the U.S. consulate in Paris on January 5, 1996, are told that the building is closed because of the U.S. budget crisis.

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The last government shutdown – Rep. Thomas Davis III, R-Virginia, attends a rally in Washington on January 5, 1996, urging the end of the government shutdown.

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The last government shutdown – Tourists view Yosemite National Park in California after it re-opened on January 6, 1996. Early that morning, President Clinton signed Republican-crafted legislation to restore jobs and provide retroactive pay to government workers while he and Congress continued negotiating how to balance the federal budget.

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EXPAND GALLERY

That measure now heads back to Senate later Monday, where the Democratic majority has said any changes to the health care law would be a deal-killer. If no deal is reached on a temporary funding measure, a government shutdown would kick in at 12:01 a.m. ET Tuesday.

According to the poll, which was conducted Friday through Sunday, 46% say they would blame congressional Republicans for a government shutdown, with 36% saying the president would be more responsible and 13% pointing fingers at both the GOP in Congress and Obama.

"The number who would hold congressional Republicans responsible has gone down by 5 points since early September, and the number who would blame Obama is up 3 points in that same time," said CNN Polling Director Keating Holland. "Those changes came among most demographic groups."

The CNN poll is similar to a CBS News/New York Times survey released late last week that indicated 44% blaming congressional Republicans and 35% pointing fingers at the president. Two other polls conducted in the past week and a half, from Pew Research Center and United Technologies/National Journal, showed a much closer margin but their questions mentioned Republicans in general rather than the GOP in Congress.

While most Democrats questioned in the CNN poll would predictably blame congressional Republicans and most Republicans questioned would point fingers at the president, independents were divided on which side they would blame.

In a separate question, 49% of all people in the poll say that Obama is acting like a responsible adult in this budget battle, with 47% describing him as a spoiled child. While that's nothing to brag about, it's better than Congress.

According to the poll, 58% say congressional Democrats are acting like spoiled children, with that number rising to 69% for the GOP in Congress. Only one in four say congressional Republicans are acting like responsible adults.

Some 68% say a shutdown for a few days would be a bad thing for the country, with that number rising to nearly eight in 10 for a shutdown lasting a few weeks.

Six in 10 questioned in the CNN survey say that it is more important for Congress to avoid a shutdown than to make major changes to the new health care law, with only a third saying it is more important for lawmakers to prevent major provisions in the new health care law from taking effect by cutting the funds needed to implement them.

(Note: When CNN began interviews for this poll on Friday evening, the Senate had just stripped out of its bill the House Republican measure to defund the health care law. What the House passed this weekend doesn't specifically call for a defunding of Obamacare -- instead it delays its implementation for a year -- but the repeal on medical devices would cut key funding for the law.)

The drive to overthrow the health care law, which was passed in 2010 when Democrats controlled both houses of Congress, is being fueled by GOP lawmakers voted into office the past two elections with the strong support of tea party activists and other grassroots conservatives.

"A majority of Republicans think that blocking Obamacare is more important than approving a budget agreement," said Holland. "So do tea party supporters, regardless of their partisan affiliation."

"Who's driving this strategy: 40 to 50 of the most conservative members of the House, and four or five of the most conservative members of the Senate," says CNN Chief National Correspondent John King. "Fifty-six percent of tea party supporters say it's a good thing to shut down the government. These are the folks those most conservative members of Congress are listening to. Those lawmakers think back home they're on safe ground even though nationally shutting down the government is a non-starter."

The poll indicates that Obamacare is not popular, with 57% saying they oppose the law, up 3 points from May, and 38% saying they support the measure, down five points from May.

But only about four in 10 oppose it because it is too liberal, with about one in 10 saying they don't like the law because it is not liberal enough.

If you add the 38% who favor the law to the 11% to oppose the law because it's not liberal enough, you get 49%, compared with the 39% who say they oppose the law because it's too liberal.

The poll was conducted for CNN by ORC International September 27-29, with 803 adults nationwide questioned by telephone. The survey's overall sampling error is plus or minus 3.5 percentage points.

THE QUESTIONS

Where do you stand? Add your thoughts in the comments below:

QUESTION: If the federal government shuts down, do you think that Barack Obama or the Republicans in Congress would be more responsible for that?

QUESTION: Do you think Barack Obama has acted mostly like a responsible adult or mostly like a spoiled child during the recent debate over the federal budget?

QUESTION:Do you think the Republicans in Congress have acted mostly like responsible adults or mostly like spoiled children during the recent debate over the federal budget?

QUESTION:Do you think the Democrats in Congress have acted mostly like responsible adults or mostly like spoiled children during the recent debate over the federal budget?

Congressional approval ratings hovered at historic lows. Republican and Democrats hurled insults at each other and among themselves. The political circus in Washington even made its way to "Saturday Night Live: -- in a sketch featuring Miley Cyrus, at that.